What Does The Expansion Of The Universe Tell Us About The Future?

We know the speed of light is constant, but what about the speed at which the universe is expanding?
Astronomers think that the expansion of the universe is regulated by both the force of gravity, which acts to slow it down, and a mysterious dark energy, which pushes matter and space apart. In fact, dark energy is thought to be pushing the cosmos apart at faster and faster speeds, causing our universe’s expansion to accelerate. Image credit: NASA/JPL-Caltech

Astronomers think that the expansion of the universe is regulated by both the force of gravity, which acts to slow it down, and a mysterious dark energy, which pushes matter and space apart. In fact, dark energy is thought to be pushing the cosmos apart at faster and faster speeds, causing our universe’s expansion to accelerate. Image credit: NASA/JPL-Caltech

Ah yes. The speed at which the Universe is expanding is not a constant. This is a very interesting consequence of the presence of dark energy in our Universe, and gives us an interesting view into...

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